Tools & Wizards About Us
math.u-bourgogne.fr screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

math.u-bourgogne.fr

IMB - Institut de Mathématiques de Bourgogne - UMR 5584 - Accueil

Page Load Speed

8.8 sec in total

First Response

390 ms

Resources Loaded

8.2 sec

Page Rendered

186 ms

math.u-bourgogne.fr screenshot

About Website

Visit math.u-bourgogne.fr now to see the best up-to-date Math U Bourgogne content for France and also check out these interesting facts you probably never knew about math.u-bourgogne.fr

L’Institut de Mathématiques de Bourgogne (IMB) est une Unité Mixte de Recherche (UMR 5584) commune au CNRS et à l’Université de Bourgogne.

Visit math.u-bourgogne.fr

Key Findings

We analyzed Math.u-bourgogne.fr page load time and found that the first response time was 390 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

math.u-bourgogne.fr performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

math.u-bourgogne.fr

390 ms

math.u-bourgogne.fr

3045 ms

autoptimize_b5f8fcc0d4f3101e0d9ba1d2f6470c89.css

295 ms

font-awesome.css

34 ms

dashicons.min.css

390 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 86% of them (37 requests) were addressed to the original Math.u-bourgogne.fr, 7% (3 requests) were made to U-bourgogne.fr and 5% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Math.u-bourgogne.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.2 kB (12%)

Content Size

835.9 kB

After Optimization

736.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Math.u-bourgogne.fr main page is 835.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 436.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 53.6 kB

  • Original 65.2 kB
  • After minification 60.0 kB
  • After compression 11.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 53.6 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 18.8 kB

  • Original 436.0 kB
  • After minification 417.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Math U Bourgogne images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 11.1 kB

  • Original 162.9 kB
  • After minification 162.9 kB
  • After compression 151.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 15.7 kB

  • Original 171.9 kB
  • After minification 171.9 kB
  • After compression 156.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Math.u-bourgogne.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (39%)

Requests Now

33

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Math U Bourgogne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

math.u-bourgogne.fr

math.u-bourgogne.fr

390 ms

math.u-bourgogne.fr

math.u-bourgogne.fr

3045 ms

autoptimize_b5f8fcc0d4f3101e0d9ba1d2f6470c89.css

autoptimize_b5f8fcc0d4f3101e0d9ba1d2f6470c89.css

295 ms

font-awesome.css

font-awesome.css

34 ms

dashicons.min.css

dashicons.min.css

390 ms

js

js

71 ms

autoptimize_610701134f40ce7f822513cf28fcf209.js

autoptimize_610701134f40ce7f822513cf28fcf209.js

469 ms

jquery2.js

jquery2.js

771 ms

isotope.pkgd.js

isotope.pkgd.js

778 ms

custom-isotope.js

custom-isotope.js

679 ms

autoptimize_single_561b4f5b8795042ef0de41899050c075.js

autoptimize_single_561b4f5b8795042ef0de41899050c075.js

327 ms

autoptimize_single_28993bed9fb048ae043123e5afb4b3ec.js

autoptimize_single_28993bed9fb048ae043123e5afb4b3ec.js

326 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

326 ms

MathJax.js

MathJax.js

2253 ms

spriteOvermenu2.png

spriteOvermenu2.png

106 ms

loupe.svg

loupe.svg

107 ms

logo-imb.jpg

logo-imb.jpg

105 ms

homedouble.png

homedouble.png

107 ms

MG_6680-700x400.jpg

MG_6680-700x400.jpg

200 ms

UB-Labo-Mathematiques-56-700x400.jpg

UB-Labo-Mathematiques-56-700x400.jpg

296 ms

UB-Labo-Mathematiques-74-700x400.jpg

UB-Labo-Mathematiques-74-700x400.jpg

296 ms

DSC_4914-1-300x200.jpg

DSC_4914-1-300x200.jpg

206 ms

cristalCollectif_1-279x300.png

cristalCollectif_1-279x300.png

394 ms

IMG_5338-300x225.jpg

IMG_5338-300x225.jpg

310 ms

index.png

index.png

311 ms

recrutement-300x141.png

recrutement-300x141.png

393 ms

LMB-300x289.jpg

LMB-300x289.jpg

395 ms

logo-cnrs.png

logo-cnrs.png

490 ms

logoneg.svg

logoneg.svg

403 ms

UBFC-uB.jpg

UBFC-uB.jpg

491 ms

titillium-regular-webfont.ttf

titillium-regular-webfont.ttf

464 ms

titillium-semibold-webfont.ttf

titillium-semibold-webfont.ttf

445 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

10 ms

fa-solid-900.woff

fa-solid-900.woff

313 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

407 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

395 ms

externallink.png

externallink.png

102 ms

loadingAnimation.gif

loadingAnimation.gif

191 ms

autoptimize_54a8f6028237bd031245ebe8083b2f71.css

autoptimize_54a8f6028237bd031245ebe8083b2f71.css

101 ms

autoptimize_8cd142099469472efb47bd7e94705f1f.css

autoptimize_8cd142099469472efb47bd7e94705f1f.css

101 ms

autoptimize_737df1ceec2595e056d7b067e0b8a118.css

autoptimize_737df1ceec2595e056d7b067e0b8a118.css

104 ms

autoptimize_0d90ace6fe779cb21dbfd3cdcc70f340.css

autoptimize_0d90ace6fe779cb21dbfd3cdcc70f340.css

102 ms

print.css

print.css

1869 ms

Accessibility Review

math.u-bourgogne.fr accessibility score

79

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

math.u-bourgogne.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

math.u-bourgogne.fr SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Math.u-bourgogne.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Math.u-bourgogne.fr main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

math.u-bourgogne.fr

Open Graph data is detected on the main page of Math U Bourgogne. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: